A recently discovered exoplanet only 25 light years away resembles our own planet a lot more than once thought. The …
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A recently discovered exoplanet only 25 light years away resembles our own planet a lot more than once thought. The distant world, dubbed GJ 3378b, orbits inside the habitable zone of a red dwarf star — a type of star that is much smaller and cooler than our Sun — where temperatures are just right for liquid water to form on the surface. Initially, its case for potentially supporting life beyond that looked grim. Astronomers suspected it was a rocky world, but its mass was at least five…